#647BF6#647BF6

#647BF6 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.8% C 0.184 H 272.1°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#647BF6
RGB	rgb(100, 123, 246)
HSL	hsl(231, 89%, 68%)
HSV	hsv(231, 59%, 96%)
CMYK	cmyk(59.3%, 50%, 0%, 3.5%)
CIE-LAB	lab(55.61, 27.81, -64.36)
CIE-LCH	lch(55.61, 70.11, 293.37°)
OKLab	oklab(62.79% 0.0067 -0.1842)
OKLCH	oklch(62.79% 0.184 272.1)
XYZ	xyz(28.9675, 23.5267, 90.1855)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BF6 #F6DF64

analogous

#64C4F6 #647BF6 #9664F6

triadic

#647BF6 #F6647B #7BF664

tetradic

#647BF6 #F664C4 #F6DF64 #64F696

square

#647BF6 #F664C4 #F6DF64 #64F696

split-complementary

#647BF6 #F69664 #C4F664

monochromatic

#0C2CD3 #2A4AF3 #647BF6 #9EACF9 #D8DEFD

Accessibility & contrast

On white

3.68

#647BF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#647BF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BF6

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BF6	#FFFFFF	#000000	##000000
##647BF6	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#388CFA

Deuteranopia (green-blind)

#147FF3

Tritanopia (blue-blind)

#0097AD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647bf6;
/* rgb */ color: rgb(100, 123, 246);
/* oklch */ color: oklch(62.8% 0.184 272.1);

Tailwind

colors: {
  custom: {
    50: '#9ca0fa',
    500: '#647bf6',
    950: '#000000',
  },
}

SCSS

$custom: #647bf6;
$custom-light: #9ca0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#647bf6",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 246
  },
  "hsl": {
    "h": 230.548,
    "s": 89.024,
    "l": 67.843
  },
  "oklch": {
    "l": 0.62785,
    "c": 0.18435,
    "h": 272.1
  },
  "luminance": 0.23529
}

Semantic roles & 50–950 ramp

primary

#647BF6

secondary

#F1EAC4

accent

#C100E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BF6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →